Add 1/42 and 45/4
1st number: 1/42, 2nd number: 11 1/4
1/42 + 45/4 is 947/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 4 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
1/42 = 1 × 2/42 × 2 = 2/84 - Likewise, for the 2nd fraction, since 4 × 21 = 84,
45/4 = 45 × 21/4 × 21 = 945/84 - Add the two like fractions:
2/84 + 945/84 = 2 + 945/84 = 947/84 - So, 1/42 + 45/4 = 947/84
In mixed form: 1123/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/42+45/4 1/42+90/4 1/84+45/4 1/42+45/8 3/42+45/4 1/42+45/12 5/42+45/4 1/42+45/20 7/42+45/4 1/42+45/28